diff options
Diffstat (limited to 'arch/blackfin/include/asm/elf.h')
-rw-r--r-- | arch/blackfin/include/asm/elf.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/elf.h b/arch/blackfin/include/asm/elf.h new file mode 100644 index 000000000000..67a03a8a353e --- /dev/null +++ b/arch/blackfin/include/asm/elf.h | |||
@@ -0,0 +1,127 @@ | |||
1 | /* Changes made by LG Soft Oct 2004*/ | ||
2 | |||
3 | #ifndef __ASMBFIN_ELF_H | ||
4 | #define __ASMBFIN_ELF_H | ||
5 | |||
6 | /* | ||
7 | * ELF register definitions.. | ||
8 | */ | ||
9 | |||
10 | #include <asm/ptrace.h> | ||
11 | #include <asm/user.h> | ||
12 | |||
13 | /* Processor specific flags for the ELF header e_flags field. */ | ||
14 | #define EF_BFIN_PIC 0x00000001 /* -fpic */ | ||
15 | #define EF_BFIN_FDPIC 0x00000002 /* -mfdpic */ | ||
16 | #define EF_BFIN_CODE_IN_L1 0x00000010 /* --code-in-l1 */ | ||
17 | #define EF_BFIN_DATA_IN_L1 0x00000020 /* --data-in-l1 */ | ||
18 | #define EF_BFIN_CODE_IN_L2 0x00000040 /* --code-in-l2 */ | ||
19 | #define EF_BFIN_DATA_IN_L2 0x00000080 /* --data-in-l2 */ | ||
20 | |||
21 | typedef unsigned long elf_greg_t; | ||
22 | |||
23 | #define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t)) | ||
24 | typedef elf_greg_t elf_gregset_t[ELF_NGREG]; | ||
25 | |||
26 | typedef struct user_bfinfp_struct elf_fpregset_t; | ||
27 | /* | ||
28 | * This is used to ensure we don't load something for the wrong architecture. | ||
29 | */ | ||
30 | #define elf_check_arch(x) ((x)->e_machine == EM_BLACKFIN) | ||
31 | |||
32 | #define elf_check_fdpic(x) ((x)->e_flags & EF_BFIN_FDPIC /* && !((x)->e_flags & EF_FRV_NON_PIC_RELOCS) */) | ||
33 | #define elf_check_const_displacement(x) ((x)->e_flags & EF_BFIN_PIC) | ||
34 | |||
35 | /* EM_BLACKFIN defined in linux/elf.h */ | ||
36 | |||
37 | /* | ||
38 | * These are used to set parameters in the core dumps. | ||
39 | */ | ||
40 | #define ELF_CLASS ELFCLASS32 | ||
41 | #define ELF_DATA ELFDATA2LSB | ||
42 | #define ELF_ARCH EM_BLACKFIN | ||
43 | |||
44 | #define ELF_PLAT_INIT(_r) _r->p1 = 0 | ||
45 | |||
46 | #define ELF_FDPIC_PLAT_INIT(_regs, _exec_map_addr, _interp_map_addr, _dynamic_addr) \ | ||
47 | do { \ | ||
48 | _regs->r7 = 0; \ | ||
49 | _regs->p0 = _exec_map_addr; \ | ||
50 | _regs->p1 = _interp_map_addr; \ | ||
51 | _regs->p2 = _dynamic_addr; \ | ||
52 | } while(0) | ||
53 | |||
54 | #define USE_ELF_CORE_DUMP | ||
55 | #define ELF_FDPIC_CORE_EFLAGS EF_BFIN_FDPIC | ||
56 | #define ELF_EXEC_PAGESIZE 4096 | ||
57 | |||
58 | #define R_unused0 0 /* relocation type 0 is not defined */ | ||
59 | #define R_pcrel5m2 1 /*LSETUP part a */ | ||
60 | #define R_unused1 2 /* relocation type 2 is not defined */ | ||
61 | #define R_pcrel10 3 /* type 3, if cc jump <target> */ | ||
62 | #define R_pcrel12_jump 4 /* type 4, jump <target> */ | ||
63 | #define R_rimm16 5 /* type 0x5, rN = <target> */ | ||
64 | #define R_luimm16 6 /* # 0x6, preg.l=<target> Load imm 16 to lower half */ | ||
65 | #define R_huimm16 7 /* # 0x7, preg.h=<target> Load imm 16 to upper half */ | ||
66 | #define R_pcrel12_jump_s 8 /* # 0x8 jump.s <target> */ | ||
67 | #define R_pcrel24_jump_x 9 /* # 0x9 jump.x <target> */ | ||
68 | #define R_pcrel24 10 /* # 0xa call <target> , not expandable */ | ||
69 | #define R_unusedb 11 /* # 0xb not generated */ | ||
70 | #define R_unusedc 12 /* # 0xc not used */ | ||
71 | #define R_pcrel24_jump_l 13 /*0xd jump.l <target> */ | ||
72 | #define R_pcrel24_call_x 14 /* 0xE, call.x <target> if <target> is above 24 bit limit call through P1 */ | ||
73 | #define R_var_eq_symb 15 /* 0xf, linker should treat it same as 0x12 */ | ||
74 | #define R_byte_data 16 /* 0x10, .byte var = symbol */ | ||
75 | #define R_byte2_data 17 /* 0x11, .byte2 var = symbol */ | ||
76 | #define R_byte4_data 18 /* 0x12, .byte4 var = symbol and .var var=symbol */ | ||
77 | #define R_pcrel11 19 /* 0x13, lsetup part b */ | ||
78 | #define R_unused14 20 /* 0x14, undefined */ | ||
79 | #define R_unused15 21 /* not generated by VDSP 3.5 */ | ||
80 | |||
81 | /* arithmetic relocations */ | ||
82 | #define R_push 0xE0 | ||
83 | #define R_const 0xE1 | ||
84 | #define R_add 0xE2 | ||
85 | #define R_sub 0xE3 | ||
86 | #define R_mult 0xE4 | ||
87 | #define R_div 0xE5 | ||
88 | #define R_mod 0xE6 | ||
89 | #define R_lshift 0xE7 | ||
90 | #define R_rshift 0xE8 | ||
91 | #define R_and 0xE9 | ||
92 | #define R_or 0xEA | ||
93 | #define R_xor 0xEB | ||
94 | #define R_land 0xEC | ||
95 | #define R_lor 0xED | ||
96 | #define R_len 0xEE | ||
97 | #define R_neg 0xEF | ||
98 | #define R_comp 0xF0 | ||
99 | #define R_page 0xF1 | ||
100 | #define R_hwpage 0xF2 | ||
101 | #define R_addr 0xF3 | ||
102 | |||
103 | /* This is the location that an ET_DYN program is loaded if exec'ed. Typical | ||
104 | use of this is to invoke "./ld.so someprog" to test out a new version of | ||
105 | the loader. We need to make sure that it is out of the way of the program | ||
106 | that it will "exec", and that there is sufficient room for the brk. */ | ||
107 | |||
108 | #define ELF_ET_DYN_BASE 0xD0000000UL | ||
109 | |||
110 | #define ELF_CORE_COPY_REGS(pr_reg, regs) \ | ||
111 | memcpy((char *) &pr_reg, (char *)regs, \ | ||
112 | sizeof(struct pt_regs)); | ||
113 | |||
114 | /* This yields a mask that user programs can use to figure out what | ||
115 | instruction set this cpu supports. */ | ||
116 | |||
117 | #define ELF_HWCAP (0) | ||
118 | |||
119 | /* This yields a string that ld.so will use to load implementation | ||
120 | specific libraries for optimization. This is more specific in | ||
121 | intent than poking at uname or /proc/cpuinfo. */ | ||
122 | |||
123 | #define ELF_PLATFORM (NULL) | ||
124 | |||
125 | #define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX) | ||
126 | |||
127 | #endif | ||